286078
Vital capacity is the maximum amount of air which can be breathed out after
1 Inhaling tidal volume only
2 Exhaling tidal volume
3 Inhaling tidal volume and complementary air
4 Exhaling supplementary air
Explanation:
(c)
NCERT Page-272 / N-187
BREATHING and EXCHANGE OF GASES(NCERT)
286079
Arrange the following events in the correct order as they occur during inspiration:
I. Air flows into the lungs.
II. Alveolar volume increases.
III. Thoracic volume increases.
IV. Pleural pressure decreases.
V. Alveolar pressure decreases.
1 $1-II-III-IV-V$
2 III-IV-II-V-I
3 $II-V-I-III-IV$
4 $IV-V-\parallel -I-I\parallel $
Explanation:
(b) The correct order of the events during inspiration is:
III-IV - II $-\text{V}-$ I
Thoracic volume increases - Pleural pressure decreases - Alveolar volume increases - Alveolar pressure decreases-Air flows into the lungs.
NCERT Page-270 & 271 / N-185
BREATHING and EXCHANGE OF GASES(NCERT)
286080
During inspiration:
1 The diaphragm gets raised and ribs get lowered.
2 Both diaphragm and ribs get raised.
3 Both diaphragm and ribs get lowered.
4 The diaphragm gets flattened and ribs get raised.
Explanation:
(d) During inspiration, the diaphragm gets flattened and ribs get raised.
NCERT Page-270 & 271 / N-185
BREATHING and EXCHANGE OF GASES(NCERT)
286076
The total volume of air a person can expire after normal inspiration is called
1 residual volume
2 vital capacity
3 expiratory capacity
4 functional residual capacity
Explanation:
(c) Expiratory capacity (EC) is the volume of air expired after a normal inspiration (TV + ERV).
NCERT Page-272 / N-187
BREATHING and EXCHANGE OF GASES(NCERT)
286062
What is the cause for the movement of oxygen through the alveolar blood capillaries of lungs?
1 Difference in the${{\text{O}}_{2}}$ tension and partial pressure of these chambers
2 Partial pressure of$\text{C}{{\text{O}}_{2}}$
3 Union of${{\text{O}}_{2}}$ with haemoglobin
4 All of the above
Explanation:
(a) Difference in the ${{\text{O}}_{2}}$ tension and Partial pressure of these chambers causes the movement of oxygen through the alveolar blood capillaries of lungs. Tiny blood vessels are seen around the Alveoli which is known as Capillaries. The oxygen which is inhaled moves from the alveoli goes to the blood in the Capillaries.
286078
Vital capacity is the maximum amount of air which can be breathed out after
1 Inhaling tidal volume only
2 Exhaling tidal volume
3 Inhaling tidal volume and complementary air
4 Exhaling supplementary air
Explanation:
(c)
NCERT Page-272 / N-187
BREATHING and EXCHANGE OF GASES(NCERT)
286079
Arrange the following events in the correct order as they occur during inspiration:
I. Air flows into the lungs.
II. Alveolar volume increases.
III. Thoracic volume increases.
IV. Pleural pressure decreases.
V. Alveolar pressure decreases.
1 $1-II-III-IV-V$
2 III-IV-II-V-I
3 $II-V-I-III-IV$
4 $IV-V-\parallel -I-I\parallel $
Explanation:
(b) The correct order of the events during inspiration is:
III-IV - II $-\text{V}-$ I
Thoracic volume increases - Pleural pressure decreases - Alveolar volume increases - Alveolar pressure decreases-Air flows into the lungs.
NCERT Page-270 & 271 / N-185
BREATHING and EXCHANGE OF GASES(NCERT)
286080
During inspiration:
1 The diaphragm gets raised and ribs get lowered.
2 Both diaphragm and ribs get raised.
3 Both diaphragm and ribs get lowered.
4 The diaphragm gets flattened and ribs get raised.
Explanation:
(d) During inspiration, the diaphragm gets flattened and ribs get raised.
NCERT Page-270 & 271 / N-185
BREATHING and EXCHANGE OF GASES(NCERT)
286076
The total volume of air a person can expire after normal inspiration is called
1 residual volume
2 vital capacity
3 expiratory capacity
4 functional residual capacity
Explanation:
(c) Expiratory capacity (EC) is the volume of air expired after a normal inspiration (TV + ERV).
NCERT Page-272 / N-187
BREATHING and EXCHANGE OF GASES(NCERT)
286062
What is the cause for the movement of oxygen through the alveolar blood capillaries of lungs?
1 Difference in the${{\text{O}}_{2}}$ tension and partial pressure of these chambers
2 Partial pressure of$\text{C}{{\text{O}}_{2}}$
3 Union of${{\text{O}}_{2}}$ with haemoglobin
4 All of the above
Explanation:
(a) Difference in the ${{\text{O}}_{2}}$ tension and Partial pressure of these chambers causes the movement of oxygen through the alveolar blood capillaries of lungs. Tiny blood vessels are seen around the Alveoli which is known as Capillaries. The oxygen which is inhaled moves from the alveoli goes to the blood in the Capillaries.
286078
Vital capacity is the maximum amount of air which can be breathed out after
1 Inhaling tidal volume only
2 Exhaling tidal volume
3 Inhaling tidal volume and complementary air
4 Exhaling supplementary air
Explanation:
(c)
NCERT Page-272 / N-187
BREATHING and EXCHANGE OF GASES(NCERT)
286079
Arrange the following events in the correct order as they occur during inspiration:
I. Air flows into the lungs.
II. Alveolar volume increases.
III. Thoracic volume increases.
IV. Pleural pressure decreases.
V. Alveolar pressure decreases.
1 $1-II-III-IV-V$
2 III-IV-II-V-I
3 $II-V-I-III-IV$
4 $IV-V-\parallel -I-I\parallel $
Explanation:
(b) The correct order of the events during inspiration is:
III-IV - II $-\text{V}-$ I
Thoracic volume increases - Pleural pressure decreases - Alveolar volume increases - Alveolar pressure decreases-Air flows into the lungs.
NCERT Page-270 & 271 / N-185
BREATHING and EXCHANGE OF GASES(NCERT)
286080
During inspiration:
1 The diaphragm gets raised and ribs get lowered.
2 Both diaphragm and ribs get raised.
3 Both diaphragm and ribs get lowered.
4 The diaphragm gets flattened and ribs get raised.
Explanation:
(d) During inspiration, the diaphragm gets flattened and ribs get raised.
NCERT Page-270 & 271 / N-185
BREATHING and EXCHANGE OF GASES(NCERT)
286076
The total volume of air a person can expire after normal inspiration is called
1 residual volume
2 vital capacity
3 expiratory capacity
4 functional residual capacity
Explanation:
(c) Expiratory capacity (EC) is the volume of air expired after a normal inspiration (TV + ERV).
NCERT Page-272 / N-187
BREATHING and EXCHANGE OF GASES(NCERT)
286062
What is the cause for the movement of oxygen through the alveolar blood capillaries of lungs?
1 Difference in the${{\text{O}}_{2}}$ tension and partial pressure of these chambers
2 Partial pressure of$\text{C}{{\text{O}}_{2}}$
3 Union of${{\text{O}}_{2}}$ with haemoglobin
4 All of the above
Explanation:
(a) Difference in the ${{\text{O}}_{2}}$ tension and Partial pressure of these chambers causes the movement of oxygen through the alveolar blood capillaries of lungs. Tiny blood vessels are seen around the Alveoli which is known as Capillaries. The oxygen which is inhaled moves from the alveoli goes to the blood in the Capillaries.
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BREATHING and EXCHANGE OF GASES(NCERT)
286078
Vital capacity is the maximum amount of air which can be breathed out after
1 Inhaling tidal volume only
2 Exhaling tidal volume
3 Inhaling tidal volume and complementary air
4 Exhaling supplementary air
Explanation:
(c)
NCERT Page-272 / N-187
BREATHING and EXCHANGE OF GASES(NCERT)
286079
Arrange the following events in the correct order as they occur during inspiration:
I. Air flows into the lungs.
II. Alveolar volume increases.
III. Thoracic volume increases.
IV. Pleural pressure decreases.
V. Alveolar pressure decreases.
1 $1-II-III-IV-V$
2 III-IV-II-V-I
3 $II-V-I-III-IV$
4 $IV-V-\parallel -I-I\parallel $
Explanation:
(b) The correct order of the events during inspiration is:
III-IV - II $-\text{V}-$ I
Thoracic volume increases - Pleural pressure decreases - Alveolar volume increases - Alveolar pressure decreases-Air flows into the lungs.
NCERT Page-270 & 271 / N-185
BREATHING and EXCHANGE OF GASES(NCERT)
286080
During inspiration:
1 The diaphragm gets raised and ribs get lowered.
2 Both diaphragm and ribs get raised.
3 Both diaphragm and ribs get lowered.
4 The diaphragm gets flattened and ribs get raised.
Explanation:
(d) During inspiration, the diaphragm gets flattened and ribs get raised.
NCERT Page-270 & 271 / N-185
BREATHING and EXCHANGE OF GASES(NCERT)
286076
The total volume of air a person can expire after normal inspiration is called
1 residual volume
2 vital capacity
3 expiratory capacity
4 functional residual capacity
Explanation:
(c) Expiratory capacity (EC) is the volume of air expired after a normal inspiration (TV + ERV).
NCERT Page-272 / N-187
BREATHING and EXCHANGE OF GASES(NCERT)
286062
What is the cause for the movement of oxygen through the alveolar blood capillaries of lungs?
1 Difference in the${{\text{O}}_{2}}$ tension and partial pressure of these chambers
2 Partial pressure of$\text{C}{{\text{O}}_{2}}$
3 Union of${{\text{O}}_{2}}$ with haemoglobin
4 All of the above
Explanation:
(a) Difference in the ${{\text{O}}_{2}}$ tension and Partial pressure of these chambers causes the movement of oxygen through the alveolar blood capillaries of lungs. Tiny blood vessels are seen around the Alveoli which is known as Capillaries. The oxygen which is inhaled moves from the alveoli goes to the blood in the Capillaries.
286078
Vital capacity is the maximum amount of air which can be breathed out after
1 Inhaling tidal volume only
2 Exhaling tidal volume
3 Inhaling tidal volume and complementary air
4 Exhaling supplementary air
Explanation:
(c)
NCERT Page-272 / N-187
BREATHING and EXCHANGE OF GASES(NCERT)
286079
Arrange the following events in the correct order as they occur during inspiration:
I. Air flows into the lungs.
II. Alveolar volume increases.
III. Thoracic volume increases.
IV. Pleural pressure decreases.
V. Alveolar pressure decreases.
1 $1-II-III-IV-V$
2 III-IV-II-V-I
3 $II-V-I-III-IV$
4 $IV-V-\parallel -I-I\parallel $
Explanation:
(b) The correct order of the events during inspiration is:
III-IV - II $-\text{V}-$ I
Thoracic volume increases - Pleural pressure decreases - Alveolar volume increases - Alveolar pressure decreases-Air flows into the lungs.
NCERT Page-270 & 271 / N-185
BREATHING and EXCHANGE OF GASES(NCERT)
286080
During inspiration:
1 The diaphragm gets raised and ribs get lowered.
2 Both diaphragm and ribs get raised.
3 Both diaphragm and ribs get lowered.
4 The diaphragm gets flattened and ribs get raised.
Explanation:
(d) During inspiration, the diaphragm gets flattened and ribs get raised.
NCERT Page-270 & 271 / N-185
BREATHING and EXCHANGE OF GASES(NCERT)
286076
The total volume of air a person can expire after normal inspiration is called
1 residual volume
2 vital capacity
3 expiratory capacity
4 functional residual capacity
Explanation:
(c) Expiratory capacity (EC) is the volume of air expired after a normal inspiration (TV + ERV).
NCERT Page-272 / N-187
BREATHING and EXCHANGE OF GASES(NCERT)
286062
What is the cause for the movement of oxygen through the alveolar blood capillaries of lungs?
1 Difference in the${{\text{O}}_{2}}$ tension and partial pressure of these chambers
2 Partial pressure of$\text{C}{{\text{O}}_{2}}$
3 Union of${{\text{O}}_{2}}$ with haemoglobin
4 All of the above
Explanation:
(a) Difference in the ${{\text{O}}_{2}}$ tension and Partial pressure of these chambers causes the movement of oxygen through the alveolar blood capillaries of lungs. Tiny blood vessels are seen around the Alveoli which is known as Capillaries. The oxygen which is inhaled moves from the alveoli goes to the blood in the Capillaries.